taxes Property Tax Assistance

2018 Confidence Interval Detail

178/Nueces
178-909/Robstown ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 70,629,405 0.9344 75,587,976 7 1571 0.004864699
A 67,075,883 0.9785 68,549,702 7 958 0.031950868
A 67,229,432 0.9469 70,999,506 7 638 0.017063479
A 73,675,226 0.9713 75,852,184 7 389 0.003740788
F1 21,158,183 0.9211 22,970,560 3 144 0.008179582
F1 20,483,996 0.8659 23,656,307 7 44 0.071772527
F1 18,211,344 0.6799 26,785,327 8 20 0.061990988
F1 28,446,639 1.1050 25,743,565 5 13 0.088333867
L1 44,769,929 1.0988 40,744,384 7 121 0.013364421
L1 26,343,705 1.0339 25,479,935 5 8 0.013066960
Random Totals: 438,023,742 456,369,446 63 3,906
CATG D1 EXCEPTION VALUES: 16,310,832 16,653,237
CATG F1 EXCEPTION VALUES: 35,110,000 41,108,233
CATG J EXCEPTION VALUES: 7,980,200 8,227,694
CATG L1 EXCEPTION VALUES: 60,456,244 59,474,396
Total Test Values(4) 557,881,018 581,833,006

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 29,091,650

Confidence Interval Values(5)

Local Test Value: 557,881,018 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 552,741,356 (State Test Value minus Margin of Error Percent)
State Upper Limit: 610,924,656 (State Test Value plus Margin of Error Percent)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values